diff options
Diffstat (limited to 'gfx/cairo/libpixman/src/pixman-arm-simd-asm.S')
| -rw-r--r-- | gfx/cairo/libpixman/src/pixman-arm-simd-asm.S | 566 |
1 files changed, 566 insertions, 0 deletions
diff --git a/gfx/cairo/libpixman/src/pixman-arm-simd-asm.S b/gfx/cairo/libpixman/src/pixman-arm-simd-asm.S index c209688790..a74a0a8f34 100644 --- a/gfx/cairo/libpixman/src/pixman-arm-simd-asm.S +++ b/gfx/cairo/libpixman/src/pixman-arm-simd-asm.S @@ -37,6 +37,7 @@ .altmacro .p2align 2 +#include "pixman-arm-asm.h" #include "pixman-arm-simd-asm.h" /* A head macro should do all processing which results in an output of up to @@ -303,6 +304,83 @@ generate_composite_function \ /******************************************************************************/ +.macro src_x888_0565_init + /* Hold loop invariant in MASK */ + ldr MASK, =0x001F001F + line_saved_regs STRIDE_S, ORIG_W +.endm + +.macro src_x888_0565_1pixel s, d + and WK&d, MASK, WK&s, lsr #3 @ 00000000000rrrrr00000000000bbbbb + and STRIDE_S, WK&s, #0xFC00 @ 0000000000000000gggggg0000000000 + orr WK&d, WK&d, WK&d, lsr #5 @ 00000000000-----rrrrr000000bbbbb + orr WK&d, WK&d, STRIDE_S, lsr #5 @ 00000000000-----rrrrrggggggbbbbb + /* Top 16 bits are discarded during the following STRH */ +.endm + +.macro src_x888_0565_2pixels slo, shi, d, tmp + and SCRATCH, WK&shi, #0xFC00 @ 0000000000000000GGGGGG0000000000 + and WK&tmp, MASK, WK&shi, lsr #3 @ 00000000000RRRRR00000000000BBBBB + and WK&shi, MASK, WK&slo, lsr #3 @ 00000000000rrrrr00000000000bbbbb + orr WK&tmp, WK&tmp, WK&tmp, lsr #5 @ 00000000000-----RRRRR000000BBBBB + orr WK&tmp, WK&tmp, SCRATCH, lsr #5 @ 00000000000-----RRRRRGGGGGGBBBBB + and SCRATCH, WK&slo, #0xFC00 @ 0000000000000000gggggg0000000000 + orr WK&shi, WK&shi, WK&shi, lsr #5 @ 00000000000-----rrrrr000000bbbbb + orr WK&shi, WK&shi, SCRATCH, lsr #5 @ 00000000000-----rrrrrggggggbbbbb + pkhbt WK&d, WK&shi, WK&tmp, lsl #16 @ RRRRRGGGGGGBBBBBrrrrrggggggbbbbb +.endm + +.macro src_x888_0565_process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, preload + WK4 .req STRIDE_S + WK5 .req STRIDE_M + WK6 .req WK3 + WK7 .req ORIG_W + .if numbytes == 16 + pixld , 16, 4, SRC, 0 + src_x888_0565_2pixels 4, 5, 0, 0 + pixld , 8, 4, SRC, 0 + src_x888_0565_2pixels 6, 7, 1, 1 + pixld , 8, 6, SRC, 0 + .else + pixld , numbytes*2, 4, SRC, 0 + .endif +.endm + +.macro src_x888_0565_process_tail cond, numbytes, firstreg + .if numbytes == 16 + src_x888_0565_2pixels 4, 5, 2, 2 + src_x888_0565_2pixels 6, 7, 3, 4 + .elseif numbytes == 8 + src_x888_0565_2pixels 4, 5, 1, 1 + src_x888_0565_2pixels 6, 7, 2, 2 + .elseif numbytes == 4 + src_x888_0565_2pixels 4, 5, 1, 1 + .else + src_x888_0565_1pixel 4, 1 + .endif + .if numbytes == 16 + pixst , numbytes, 0, DST + .else + pixst , numbytes, 1, DST + .endif + .unreq WK4 + .unreq WK5 + .unreq WK6 + .unreq WK7 +.endm + +generate_composite_function \ + pixman_composite_src_x888_0565_asm_armv6, 32, 0, 16, \ + FLAG_DST_WRITEONLY | FLAG_BRANCH_OVER | FLAG_PROCESS_DOES_STORE | FLAG_SPILL_LINE_VARS | FLAG_PROCESS_CORRUPTS_SCRATCH, \ + 3, /* prefetch distance */ \ + src_x888_0565_init, \ + nop_macro, /* newline */ \ + nop_macro, /* cleanup */ \ + src_x888_0565_process_head, \ + src_x888_0565_process_tail + +/******************************************************************************/ + .macro add_8_8_8pixels cond, dst1, dst2 uqadd8&cond WK&dst1, WK&dst1, MASK uqadd8&cond WK&dst2, WK&dst2, STRIDE_M @@ -611,3 +689,491 @@ generate_composite_function \ /******************************************************************************/ +.macro over_reverse_n_8888_init + ldr SRC, [sp, #ARGS_STACK_OFFSET] + ldr MASK, =0x00800080 + /* Split source pixel into RB/AG parts */ + uxtb16 STRIDE_S, SRC + uxtb16 STRIDE_M, SRC, ror #8 + /* Set GE[3:0] to 0101 so SEL instructions do what we want */ + uadd8 SCRATCH, MASK, MASK + line_saved_regs STRIDE_D, ORIG_W +.endm + +.macro over_reverse_n_8888_newline + mov STRIDE_D, #0xFF +.endm + +.macro over_reverse_n_8888_process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, preload + pixld , numbytes, firstreg, DST, 0 +.endm + +.macro over_reverse_n_8888_1pixel d, is_only + teq WK&d, #0 + beq 8f /* replace with source */ + bics ORIG_W, STRIDE_D, WK&d, lsr #24 + .if is_only == 1 + beq 49f /* skip store */ + .else + beq 9f /* write same value back */ + .endif + mla SCRATCH, STRIDE_S, ORIG_W, MASK /* red/blue */ + mla ORIG_W, STRIDE_M, ORIG_W, MASK /* alpha/green */ + uxtab16 SCRATCH, SCRATCH, SCRATCH, ror #8 + uxtab16 ORIG_W, ORIG_W, ORIG_W, ror #8 + mov SCRATCH, SCRATCH, ror #8 + sel ORIG_W, SCRATCH, ORIG_W + uqadd8 WK&d, WK&d, ORIG_W + b 9f +8: mov WK&d, SRC +9: +.endm + +.macro over_reverse_n_8888_tail numbytes, reg1, reg2, reg3, reg4 + .if numbytes == 4 + over_reverse_n_8888_1pixel reg1, 1 + .else + and SCRATCH, WK®1, WK®2 + .if numbytes == 16 + and SCRATCH, SCRATCH, WK®3 + and SCRATCH, SCRATCH, WK®4 + .endif + mvns SCRATCH, SCRATCH, asr #24 + beq 49f /* skip store if all opaque */ + over_reverse_n_8888_1pixel reg1, 0 + over_reverse_n_8888_1pixel reg2, 0 + .if numbytes == 16 + over_reverse_n_8888_1pixel reg3, 0 + over_reverse_n_8888_1pixel reg4, 0 + .endif + .endif + pixst , numbytes, reg1, DST +49: +.endm + +.macro over_reverse_n_8888_process_tail cond, numbytes, firstreg + over_reverse_n_8888_tail numbytes, firstreg, %(firstreg+1), %(firstreg+2), %(firstreg+3) +.endm + +generate_composite_function \ + pixman_composite_over_reverse_n_8888_asm_armv6, 0, 0, 32 \ + FLAG_DST_READWRITE | FLAG_BRANCH_OVER | FLAG_PROCESS_CORRUPTS_PSR | FLAG_PROCESS_DOES_STORE | FLAG_SPILL_LINE_VARS | FLAG_PROCESS_CORRUPTS_SCRATCH, \ + 3, /* prefetch distance */ \ + over_reverse_n_8888_init, \ + over_reverse_n_8888_newline, \ + nop_macro, /* cleanup */ \ + over_reverse_n_8888_process_head, \ + over_reverse_n_8888_process_tail + +/******************************************************************************/ + +.macro over_white_8888_8888_ca_init + HALF .req SRC + TMP0 .req STRIDE_D + TMP1 .req STRIDE_S + TMP2 .req STRIDE_M + TMP3 .req ORIG_W + WK4 .req SCRATCH + line_saved_regs STRIDE_D, STRIDE_M, ORIG_W + ldr SCRATCH, =0x800080 + mov HALF, #0x80 + /* Set GE[3:0] to 0101 so SEL instructions do what we want */ + uadd8 SCRATCH, SCRATCH, SCRATCH + .set DST_PRELOAD_BIAS, 8 +.endm + +.macro over_white_8888_8888_ca_cleanup + .set DST_PRELOAD_BIAS, 0 + .unreq HALF + .unreq TMP0 + .unreq TMP1 + .unreq TMP2 + .unreq TMP3 + .unreq WK4 +.endm + +.macro over_white_8888_8888_ca_combine m, d + uxtb16 TMP1, TMP0 /* rb_notmask */ + uxtb16 TMP2, d /* rb_dest; 1 stall follows */ + smlatt TMP3, TMP2, TMP1, HALF /* red */ + smlabb TMP2, TMP2, TMP1, HALF /* blue */ + uxtb16 TMP0, TMP0, ror #8 /* ag_notmask */ + uxtb16 TMP1, d, ror #8 /* ag_dest; 1 stall follows */ + smlatt d, TMP1, TMP0, HALF /* alpha */ + smlabb TMP1, TMP1, TMP0, HALF /* green */ + pkhbt TMP0, TMP2, TMP3, lsl #16 /* rb; 1 stall follows */ + pkhbt TMP1, TMP1, d, lsl #16 /* ag */ + uxtab16 TMP0, TMP0, TMP0, ror #8 + uxtab16 TMP1, TMP1, TMP1, ror #8 + mov TMP0, TMP0, ror #8 + sel d, TMP0, TMP1 + uqadd8 d, d, m /* d is a late result */ +.endm + +.macro over_white_8888_8888_ca_1pixel_head + pixld , 4, 1, MASK, 0 + pixld , 4, 3, DST, 0 +.endm + +.macro over_white_8888_8888_ca_1pixel_tail + mvn TMP0, WK1 + teq WK1, WK1, asr #32 + bne 01f + bcc 03f + mov WK3, WK1 + b 02f +01: over_white_8888_8888_ca_combine WK1, WK3 +02: pixst , 4, 3, DST +03: +.endm + +.macro over_white_8888_8888_ca_2pixels_head + pixld , 8, 1, MASK, 0 +.endm + +.macro over_white_8888_8888_ca_2pixels_tail + pixld , 8, 3, DST + mvn TMP0, WK1 + teq WK1, WK1, asr #32 + bne 01f + movcs WK3, WK1 + bcs 02f + teq WK2, #0 + beq 05f + b 02f +01: over_white_8888_8888_ca_combine WK1, WK3 +02: mvn TMP0, WK2 + teq WK2, WK2, asr #32 + bne 03f + movcs WK4, WK2 + b 04f +03: over_white_8888_8888_ca_combine WK2, WK4 +04: pixst , 8, 3, DST +05: +.endm + +.macro over_white_8888_8888_ca_process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, preload + .if numbytes == 4 + over_white_8888_8888_ca_1pixel_head + .else + .if numbytes == 16 + over_white_8888_8888_ca_2pixels_head + over_white_8888_8888_ca_2pixels_tail + .endif + over_white_8888_8888_ca_2pixels_head + .endif +.endm + +.macro over_white_8888_8888_ca_process_tail cond, numbytes, firstreg + .if numbytes == 4 + over_white_8888_8888_ca_1pixel_tail + .else + over_white_8888_8888_ca_2pixels_tail + .endif +.endm + +generate_composite_function \ + pixman_composite_over_white_8888_8888_ca_asm_armv6, 0, 32, 32 \ + FLAG_DST_READWRITE | FLAG_BRANCH_OVER | FLAG_PROCESS_CORRUPTS_PSR | FLAG_PROCESS_DOES_STORE | FLAG_SPILL_LINE_VARS | FLAG_PROCESS_CORRUPTS_SCRATCH \ + 2, /* prefetch distance */ \ + over_white_8888_8888_ca_init, \ + nop_macro, /* newline */ \ + over_white_8888_8888_ca_cleanup, \ + over_white_8888_8888_ca_process_head, \ + over_white_8888_8888_ca_process_tail + + +.macro over_n_8888_8888_ca_init + /* Set up constants. RB_SRC and AG_SRC are in registers; + * RB_FLDS, A_SRC, and the two HALF values need to go on the + * stack (and the ful SRC value is already there) */ + ldr SCRATCH, [sp, #ARGS_STACK_OFFSET] + mov WK0, #0x00FF0000 + orr WK0, WK0, #0xFF /* RB_FLDS (0x00FF00FF) */ + mov WK1, #0x80 /* HALF default value */ + mov WK2, SCRATCH, lsr #24 /* A_SRC */ + orr WK3, WK1, WK1, lsl #16 /* HALF alternate value (0x00800080) */ + push {WK0-WK3} + .set ARGS_STACK_OFFSET, ARGS_STACK_OFFSET+16 + uxtb16 SRC, SCRATCH + uxtb16 STRIDE_S, SCRATCH, ror #8 + + /* Set GE[3:0] to 0101 so SEL instructions do what we want */ + uadd8 SCRATCH, WK3, WK3 + + .unreq WK0 + .unreq WK1 + .unreq WK2 + .unreq WK3 + WK0 .req Y + WK1 .req STRIDE_D + RB_SRC .req SRC + AG_SRC .req STRIDE_S + WK2 .req STRIDE_M + RB_FLDS .req r8 /* the reloaded constants have to be at consecutive registers starting at an even one */ + A_SRC .req r8 + HALF .req r9 + WK3 .req r10 + WK4 .req r11 + WK5 .req SCRATCH + WK6 .req ORIG_W + + line_saved_regs Y, STRIDE_D, STRIDE_M, ORIG_W +.endm + +.macro over_n_8888_8888_ca_cleanup + add sp, sp, #16 + .set ARGS_STACK_OFFSET, ARGS_STACK_OFFSET-16 + + .unreq WK0 + .unreq WK1 + .unreq RB_SRC + .unreq AG_SRC + .unreq WK2 + .unreq RB_FLDS + .unreq A_SRC + .unreq HALF + .unreq WK3 + .unreq WK4 + .unreq WK5 + .unreq WK6 + WK0 .req r8 + WK1 .req r9 + WK2 .req r10 + WK3 .req r11 +.endm + +.macro over_n_8888_8888_ca_1pixel_head + pixld , 4, 6, MASK, 0 + pixld , 4, 0, DST, 0 +.endm + +.macro over_n_8888_8888_ca_1pixel_tail + ldrd A_SRC, HALF, [sp, #LOCALS_STACK_OFFSET+8] + uxtb16 WK1, WK6 /* rb_mask (first step of hard case placed in what would otherwise be a stall) */ + teq WK6, WK6, asr #32 /* Zc if transparent, ZC if opaque */ + bne 20f + bcc 40f + /* Mask is fully opaque (all channels) */ + ldr WK6, [sp, #ARGS_STACK_OFFSET] /* get SRC back */ + eors A_SRC, A_SRC, #0xFF + bne 10f + /* Source is also opaque - same as src_8888_8888 */ + mov WK0, WK6 + b 30f +10: /* Same as over_8888_8888 */ + mul_8888_8 WK0, A_SRC, WK5, HALF + uqadd8 WK0, WK0, WK6 + b 30f +20: /* No simplifications possible - do it the hard way */ + uxtb16 WK2, WK6, ror #8 /* ag_mask */ + mla WK3, WK1, A_SRC, HALF /* rb_mul; 2 cycles */ + mla WK4, WK2, A_SRC, HALF /* ag_mul; 2 cycles */ + ldrd RB_FLDS, HALF, [sp, #LOCALS_STACK_OFFSET] + uxtb16 WK5, WK0 /* rb_dest */ + uxtab16 WK3, WK3, WK3, ror #8 + uxtb16 WK6, WK0, ror #8 /* ag_dest */ + uxtab16 WK4, WK4, WK4, ror #8 + smlatt WK0, RB_SRC, WK1, HALF /* red1 */ + smlabb WK1, RB_SRC, WK1, HALF /* blue1 */ + bic WK3, RB_FLDS, WK3, lsr #8 + bic WK4, RB_FLDS, WK4, lsr #8 + pkhbt WK1, WK1, WK0, lsl #16 /* rb1 */ + smlatt WK0, WK5, WK3, HALF /* red2 */ + smlabb WK3, WK5, WK3, HALF /* blue2 */ + uxtab16 WK1, WK1, WK1, ror #8 + smlatt WK5, AG_SRC, WK2, HALF /* alpha1 */ + pkhbt WK3, WK3, WK0, lsl #16 /* rb2 */ + smlabb WK0, AG_SRC, WK2, HALF /* green1 */ + smlatt WK2, WK6, WK4, HALF /* alpha2 */ + smlabb WK4, WK6, WK4, HALF /* green2 */ + pkhbt WK0, WK0, WK5, lsl #16 /* ag1 */ + uxtab16 WK3, WK3, WK3, ror #8 + pkhbt WK4, WK4, WK2, lsl #16 /* ag2 */ + uxtab16 WK0, WK0, WK0, ror #8 + uxtab16 WK4, WK4, WK4, ror #8 + mov WK1, WK1, ror #8 + mov WK3, WK3, ror #8 + sel WK2, WK1, WK0 /* recombine source*mask */ + sel WK1, WK3, WK4 /* recombine dest*(1-source_alpha*mask) */ + uqadd8 WK0, WK1, WK2 /* followed by 1 stall */ +30: /* The destination buffer is already in the L1 cache, so + * there's little point in amalgamating writes */ + pixst , 4, 0, DST +40: +.endm + +.macro over_n_8888_8888_ca_process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, preload + .rept (numbytes / 4) - 1 + over_n_8888_8888_ca_1pixel_head + over_n_8888_8888_ca_1pixel_tail + .endr + over_n_8888_8888_ca_1pixel_head +.endm + +.macro over_n_8888_8888_ca_process_tail cond, numbytes, firstreg + over_n_8888_8888_ca_1pixel_tail +.endm + +pixman_asm_function pixman_composite_over_n_8888_8888_ca_asm_armv6 + ldr ip, [sp] + cmp ip, #-1 + beq pixman_composite_over_white_8888_8888_ca_asm_armv6 + /* else drop through... */ + .endfunc +generate_composite_function \ + pixman_composite_over_n_8888_8888_ca_asm_armv6_helper, 0, 32, 32 \ + FLAG_DST_READWRITE | FLAG_BRANCH_OVER | FLAG_PROCESS_CORRUPTS_PSR | FLAG_PROCESS_DOES_STORE | FLAG_SPILL_LINE_VARS | FLAG_PROCESS_CORRUPTS_SCRATCH | FLAG_PROCESS_CORRUPTS_WK0 \ + 2, /* prefetch distance */ \ + over_n_8888_8888_ca_init, \ + nop_macro, /* newline */ \ + over_n_8888_8888_ca_cleanup, \ + over_n_8888_8888_ca_process_head, \ + over_n_8888_8888_ca_process_tail + +/******************************************************************************/ + +.macro in_reverse_8888_8888_init + /* Hold loop invariant in MASK */ + ldr MASK, =0x00800080 + /* Set GE[3:0] to 0101 so SEL instructions do what we want */ + uadd8 SCRATCH, MASK, MASK + /* Offset the source pointer: we only need the alpha bytes */ + add SRC, SRC, #3 + line_saved_regs ORIG_W +.endm + +.macro in_reverse_8888_8888_head numbytes, reg1, reg2, reg3 + ldrb ORIG_W, [SRC], #4 + .if numbytes >= 8 + ldrb WK®1, [SRC], #4 + .if numbytes == 16 + ldrb WK®2, [SRC], #4 + ldrb WK®3, [SRC], #4 + .endif + .endif + add DST, DST, #numbytes +.endm + +.macro in_reverse_8888_8888_process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, preload + in_reverse_8888_8888_head numbytes, firstreg, %(firstreg+1), %(firstreg+2) +.endm + +.macro in_reverse_8888_8888_1pixel s, d, offset, is_only + .if is_only != 1 + movs s, ORIG_W + .if offset != 0 + ldrb ORIG_W, [SRC, #offset] + .endif + beq 01f + teq STRIDE_M, #0xFF + beq 02f + .endif + uxtb16 SCRATCH, d /* rb_dest */ + uxtb16 d, d, ror #8 /* ag_dest */ + mla SCRATCH, SCRATCH, s, MASK + mla d, d, s, MASK + uxtab16 SCRATCH, SCRATCH, SCRATCH, ror #8 + uxtab16 d, d, d, ror #8 + mov SCRATCH, SCRATCH, ror #8 + sel d, SCRATCH, d + b 02f + .if offset == 0 +48: /* Last mov d,#0 of the set - used as part of shortcut for + * source values all 0 */ + .endif +01: mov d, #0 +02: +.endm + +.macro in_reverse_8888_8888_tail numbytes, reg1, reg2, reg3, reg4 + .if numbytes == 4 + teq ORIG_W, ORIG_W, asr #32 + ldrne WK®1, [DST, #-4] + .elseif numbytes == 8 + teq ORIG_W, WK®1 + teqeq ORIG_W, ORIG_W, asr #32 /* all 0 or all -1? */ + ldmnedb DST, {WK®1-WK®2} + .else + teq ORIG_W, WK®1 + teqeq ORIG_W, WK®2 + teqeq ORIG_W, WK®3 + teqeq ORIG_W, ORIG_W, asr #32 /* all 0 or all -1? */ + ldmnedb DST, {WK®1-WK®4} + .endif + cmnne DST, #0 /* clear C if NE */ + bcs 49f /* no writes to dest if source all -1 */ + beq 48f /* set dest to all 0 if source all 0 */ + .if numbytes == 4 + in_reverse_8888_8888_1pixel ORIG_W, WK®1, 0, 1 + str WK®1, [DST, #-4] + .elseif numbytes == 8 + in_reverse_8888_8888_1pixel STRIDE_M, WK®1, -4, 0 + in_reverse_8888_8888_1pixel STRIDE_M, WK®2, 0, 0 + stmdb DST, {WK®1-WK®2} + .else + in_reverse_8888_8888_1pixel STRIDE_M, WK®1, -12, 0 + in_reverse_8888_8888_1pixel STRIDE_M, WK®2, -8, 0 + in_reverse_8888_8888_1pixel STRIDE_M, WK®3, -4, 0 + in_reverse_8888_8888_1pixel STRIDE_M, WK®4, 0, 0 + stmdb DST, {WK®1-WK®4} + .endif +49: +.endm + +.macro in_reverse_8888_8888_process_tail cond, numbytes, firstreg + in_reverse_8888_8888_tail numbytes, firstreg, %(firstreg+1), %(firstreg+2), %(firstreg+3) +.endm + +generate_composite_function \ + pixman_composite_in_reverse_8888_8888_asm_armv6, 32, 0, 32 \ + FLAG_DST_READWRITE | FLAG_BRANCH_OVER | FLAG_PROCESS_CORRUPTS_PSR | FLAG_PROCESS_DOES_STORE | FLAG_SPILL_LINE_VARS | FLAG_PROCESS_CORRUPTS_SCRATCH | FLAG_NO_PRELOAD_DST \ + 2, /* prefetch distance */ \ + in_reverse_8888_8888_init, \ + nop_macro, /* newline */ \ + nop_macro, /* cleanup */ \ + in_reverse_8888_8888_process_head, \ + in_reverse_8888_8888_process_tail + +/******************************************************************************/ + +.macro over_n_8888_init + ldr SRC, [sp, #ARGS_STACK_OFFSET] + /* Hold loop invariant in MASK */ + ldr MASK, =0x00800080 + /* Hold multiplier for destination in STRIDE_M */ + mov STRIDE_M, #255 + sub STRIDE_M, STRIDE_M, SRC, lsr #24 + /* Set GE[3:0] to 0101 so SEL instructions do what we want */ + uadd8 SCRATCH, MASK, MASK +.endm + +.macro over_n_8888_process_head cond, numbytes, firstreg, unaligned_src, unaligned_mask, preload + pixld , numbytes, firstreg, DST, 0 +.endm + +.macro over_n_8888_1pixel dst + mul_8888_8 WK&dst, STRIDE_M, SCRATCH, MASK + uqadd8 WK&dst, WK&dst, SRC +.endm + +.macro over_n_8888_process_tail cond, numbytes, firstreg + .set PROCESS_REG, firstreg + .rept numbytes / 4 + over_n_8888_1pixel %(PROCESS_REG) + .set PROCESS_REG, PROCESS_REG+1 + .endr + pixst , numbytes, firstreg, DST +.endm + +generate_composite_function \ + pixman_composite_over_n_8888_asm_armv6, 0, 0, 32 \ + FLAG_DST_READWRITE | FLAG_BRANCH_OVER | FLAG_PROCESS_DOES_STORE \ + 2, /* prefetch distance */ \ + over_n_8888_init, \ + nop_macro, /* newline */ \ + nop_macro, /* cleanup */ \ + over_n_8888_process_head, \ + over_n_8888_process_tail + +/******************************************************************************/ |